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References

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Table 1

Distribution of energy in continuous and line spectra of a sunlight (Type S–1) lamp in direction normal to plane of electrodes and filament.

Continuous spectrum

Line spectrum

Center of 100A band

Energy in percent of total radiated

Wave length

Energy in percent of total radiated

4000A°

0.019

2537A°

0.001

4100

.026

2576

.002

4200

.032

2654

.029

4300

.040

2700

.007

4400

.048

2760

.009

4500

.055

2804

.039

4600

.065

2894

.024

4700

.076

2925

.018

4800

.084

2967

.145

4900

.093

3024

.553

5000

.102

3132

1.667

5100

.109

3342

0.062

5200

.118

3663

2.480

5300

.127

4047

0.253

5400

.137

4078

.039

5500

.146

4359

.386

5600

.155

4916

.017

5700A°

0.165

4960

.006

5800

.175

5461

.392

5900

.186

5780

.798

6000

.197

6907

.009

6100

.205

7082

.003

6200

.217

6300

.226

6400

.235

6500

.246

6600

.258

6700

.267

6800

.275

6900

.288

7000

.298

7100

.308

7200

.319

7300

.326

7400

.335

Table 2

Energy of sunlight (Type S–1) lamp radiated in various spectral regions, in a direction normal to the plane of filament and electrodes, expressed in percent of the total energy radiated in this direction.

Tables (2)

Table 1

Distribution of energy in continuous and line spectra of a sunlight (Type S–1) lamp in direction normal to plane of electrodes and filament.

Continuous spectrum

Line spectrum

Center of 100A band

Energy in percent of total radiated

Wave length

Energy in percent of total radiated

4000A°

0.019

2537A°

0.001

4100

.026

2576

.002

4200

.032

2654

.029

4300

.040

2700

.007

4400

.048

2760

.009

4500

.055

2804

.039

4600

.065

2894

.024

4700

.076

2925

.018

4800

.084

2967

.145

4900

.093

3024

.553

5000

.102

3132

1.667

5100

.109

3342

0.062

5200

.118

3663

2.480

5300

.127

4047

0.253

5400

.137

4078

.039

5500

.146

4359

.386

5600

.155

4916

.017

5700A°

0.165

4960

.006

5800

.175

5461

.392

5900

.186

5780

.798

6000

.197

6907

.009

6100

.205

7082

.003

6200

.217

6300

.226

6400

.235

6500

.246

6600

.258

6700

.267

6800

.275

6900

.288

7000

.298

7100

.308

7200

.319

7300

.326

7400

.335

Table 2

Energy of sunlight (Type S–1) lamp radiated in various spectral regions, in a direction normal to the plane of filament and electrodes, expressed in percent of the total energy radiated in this direction.